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Microsoft’s Xbox 2 Architecture Unveiled
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Old 27th April 2004, 09:44   #1
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Default Microsoft’s Xbox 2 Architecture Unveiled

Microsoft will use IBM’s POWER 64-bit processors in the Xbox 2. The 65nm chips were reportedly taped-out recently and are now evaluated by engineers at Microsoft and IBM, though, the architecture of those microprocessors still remains to be investigated.

As everybody knows, there is a lot going on with multi-core, multi-threaded designs at IBM. Apparently, Microsoft also wants to jump on that bandwagon, some sources indicate. The Redmond, Washington-based firm wants to incorporate IBM’s POWER 976 architecture into the CPUs for Xbox 2 console to allow truly high-performance processing. POWER 976 is expected to be a dual-core processor able to handle two threads at once. What may seem a pretty hard to believe is that Microsoft wants more than 1 such chip to power its forthcoming console, according to the scheme published there are three of such chips.

The whole Xbox 2 CPU system will be capable of processing a number of threads simultaneously; because of its RISC nature, the new architecture is a big-endian system, a term that describes the order in which a sequence of bytes are stored in computer memory. Traditional x86 architectures use the little-endian approach, it was initially noted.

The graphics processor of the Xbox 2 is to be developed by ATI Technologies, the I/O controller is to be developed by Silicon Integration Systems Corporation.


http://www.xbitlabs.com/news/mmedia/...426094105.html
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Old 27th April 2004, 14:38   #2
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You forgot to mention the ATI chip which has 10MB built-in memory (like the bitboyz wanted to do)...

PS: I don't believe it would be such a monster... It would cost too much to produce...
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Old 27th April 2004, 14:54   #3
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there is no "you"
check my source;
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Old 27th April 2004, 15:31   #4
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Sorry Well, let's say I gave an addendum to your news
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